| Forbidden Splitter | Uprising Seed Co | | 50/50 | View variety |
| Forbidden Zkittlez | Purple Caper Seeds | | 50/50 | View variety |
| Forbidden Zkittlez Bx1 | Ethos Genetics | | 60/40 | View variety |
| Forbidden Zkittlez Bx2 | Ethos Genetics | | 60/40 | View variety |
| Forbidden Zkittlez x Purple Punch | Purple City Genetics | | 50/50 | View variety |
| Forbiddentz | Paisa Grow Seeds | | 50/50 | View variety |
| Forbidos | In House Genetics | | 50/50 | View variety |
| Force Body | Alphakronik Genes | | 60/40 | View variety |
| Force OG | Gage Green Genetics | | 70/30 | View variety |
| Force Sense | Alphakronik Genes | | 60/40 | View variety |
| Force Vision | Alphakronik Genes | | 40/60 | View variety |
| Forest Dream | Dutch Passion | | 20/80 | View variety |
| Forest Fire | Cabin Fever Seed Breeders | | 60/40 | View variety |
| Forest Queen | Bodhi Seeds | | 80/20 | View variety |
| Forest Skunk | Brothers Grimm | | 40/60 | View variety |
| Forever Funk | Matchmaker Genetics | | 50/50 | View variety |
| Forevermore | Cult Classics Seeds | | 70/30 | View variety |
| Forget About It | TH Seeds | | 60/40 | View variety |
| Forget Me Nots | Mephisto Genetics | | 50/50 | View variety |
| Forgetful Bruce | Oregon Green Seed | | 60/40 | View variety |